of environment, wear long-sleeve shirts, long pants, and preferably make them light-colored so you can see the dark tick and if it's attached to you. also, pull your hair back in a ponytail and wear a cap. don't forget your insect repellent. >> and every time you come home, you should check yourself and your pets carefully. and don't wait -- time may be tick-ing. for "tkn," i'm emily. >> you can learn history from a book, a film, a museum, or sometimes ev from an airplane. scott reports on an effort to preserve the past that's really taking off. >> from the outside, hangar "b" doesn't look like much. but inside, the building is crammed with vintage aircraft of all kinds. and it's all part of what's called the harp project. >> "harp" stands for "historic aircraft restoration project." and it's a department of the interior program. the objective is to restore those kinds of airplanes that flew out of floyd bennett field during its 50-year history or so. >> floyd bennett field opened in 1931. it was new york city's first municipal airport. during world war ii, it served as a military airport.